Dictionary.com

lutein

[ loo-tee-in ]
/ ˈlu ti ɪn /
Save This Word!

noun Biochemistry.
Also called xanthophyll. a yellow-red, water-insoluble, crystalline, carotenoid alcohol, C40H56O2, found in the petals of marigold and certain other flowers, egg yolk, algae, and corpora lutea: used chiefly in the biochemical study of the carotenoids.
a preparation consisting of dried and powdered corpora lutea from hogs.
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of lutein

1865–70; <Latin lūte(um) yolk of an egg (noun use of neuter of lūteus yellow; see luteous) + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for lutein

lutein
/ (ˈluːtɪɪn) /

noun
a xanthophyll pigment, occurring in plants, that has a light-absorbing function in photosynthesis

Word Origin for lutein

C20: from Latin lūteus yellow + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for lutein

lutein
[ lōōtē-ĭn, -tēn′ ]

n.
A yellow carotenoid pigment found widely in nature; xanthophyll.
A dried preparation of corpus luteum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK